Casticin attenuates liver fibrosis and hepatic stellate cell activation by blocking TGF-beta/Smad signaling pathway - Zhou, L; Dong, X; Wang, L; Shan, L; Li, T; Xu, W; Ding, Y; Lai, M; Lin, X; Dai, M; Bai, X; Jia, C; Zheng, H (Oncotarget, 2017)